<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>trim</title>
</head>
<body>
	
</body>
</html>
<script src='jquery源码分析.js'></script>
<script>
	var str = "   hello  ";
	var str1 = "	hello1	";
	alert("("+$.trim(str)+")");//str1.trim() //通过这个方法
</script>